Glass-drawing tool or bait.



M. J. HEALY. GLASS DRAWING TOOL OB. BAIT.

APPLICATION YILBD MAB. 26,1912.

Patented Nov. 3, 1914.

W] T NE SSE S UNITED STATES- PATLENT OFFIIC MACK J. HEALY, OF BRADFORD, PENNSYLVANIA, ASSIGEOR, BY MESNE ASS-iGNNtEr.

TO CONSOLIDATED MACHINE CCMFANY, OF BRADFORD. PENNSYLVANIA. C

RATION OF DELAWARE.

GLASS-DRAWING TOOL OR BA I'Iv Spscificationot' Letters Pa tent.

Patented Nov. 3, 1914.

' To all 1011017: it may concern lie it known that L'M'AGK J. ilEALY, a. citizen of the llnit-ed States, residingat. Brach ford. in the county of McKeanand State of Pennsylvania, have invented certain new and useful Improvements in Glass-Drawing 'lools or Baits; and I do hereby declare the fi'illowing to be a. full, clear, and exact seription of the invention, such as will en '-lllll(. others skilled in the art to which it .tlilltltttlllS to make and use the same.

My invention relates to an improvement in gias drawing to :ls,. or baits, the object living to provide means whereby the tool or hait nia be readily detached from the cylinder without. cutting or otherwise severing the glass, and it. consists in the parts and roinhination of parts and in the details of eonstru on aswill be more fully ('itSCl'lbCtl and pointed out in the claims p In the. aeeon' panying drawings. l igure l is a view in elevation'of my improved drawing tool; Fig.2 is a, view in elevation taken 'atirie'ht angles to Fig. 1; Fig. 3'is a'plan view; Fig. ,4 is a view similar to Fig.2

showing the bait end of the tool opened torelease the novel of the cylinder, and Fig. 5 is a view in vertical section ofa modified form of tool. v

The drawing tool comprises a head or bait, and a. pipe 2, the latter being connected to the huh 4 and provided at its upper end with any suitable. means (not shown) for its attaehineiit to elevating and lowering devices and to the means for supplying the. air to the igvlinder through said pipe.

The head or bait, is u do in two sections and 3. each of which is semi -rireular in shape, and adapted when in their closed position. as shown in Fig. 3 t forn a eon'iplele cirele. 'lhe sei-tiou 3 of the head, is provided with the integral hub 4 so located as to he in the center of the head, when the two sections are in the closed position, and this huh is recessed asshown in Figs. 2 and It. to receive the projiertion 5 on section 3 of the ln-ad. the said pr jection 5, forming in etl'eet a continuation of the hub 4. The. hub 4 is enlarged at (3. and the said enlargement. (i and the huh. constitute hearings for the. pintle 7 on which the projection 5 of the sci-(ion 2' of the head is mounted.

From the foregoing it, will be seen that the sect ion 3 of the head 1 normally rests in contact with section E, but may he. turned on plntle 7, away from said head so as torelease the end of a novel of the e. \"linder eonfined within the head. In order to facilitate tlidmanipulation elf-section u I prefer to roizide the same with a handle'8 which may )0. grasped to turn same on its'piv ot, and 3 lock-the same in. its closed position, I have shown the hill) carrying the removable pin 9 which .latter overhangs the upper end of projection 5 and prevents any turning moreinent. of section 3 on pintle 7,

Each section of the head 1 is provii'led with a depending inwardly inclined reinicir eular flange, which when the sections are closed. forms aewntinuous circular flange. These flanges are provided interiorly adjacentthe lower free ends, with an annular groove. 10 forming av seat for the removal'ile ring 11,, which latter constitutes a continw ,ous rigid shoulder which'isengaged by the l onto winch the glass adheres when thehead of the drawing tool lowered inti'rthe vmolten glass. and whjehwhen theseetions 3 and 3 areseparated-inn y. be'removed from the drawing tool. The. meeting faces of the two-sections of. the head are n'iachined soas to form a joint. that will preentinidue leakage of air, or if desired a packing 12 sueh as asbestos, might be used fut-this purpose.

In the operation ofthe device the tool or bait is loiverediinto the mass (if: molten glass until the ring ll is suhuu-rged. The tool then elevated and air admitted in the usual and well known manner in form a cytinder. After the cylinder has been drawn it is lowered and the drawing tool detached from the. hoisting and lowering u eans and the y'linder with the drinving tool att'arlu'd;

is laid horizontally on supports or horses.

liy new releasing and opening section 3 ofthe' head or liait, the latter can be detached fr m the end hfillt cylinder and from ring" lot or in other words 'is not heated before using,

it is absolutely self cleaning as the glass will i not adhere to it, consequently does not interfere with the free opening of the section, and the separation of the ring 11 from the sections. With the old style tools, wherein the head is an integral structure, the gla s hardens within the recess inside of the air pipe, and it requires considerable time and work to remove this glass and properly clean the pipe which must be done before it can be used again.

After the tool is removed from the end of the cylinder, the ring 11 remains attached to the glass. until the cap is detached and broken up which frees the ring and the latter then ready for use with the semi; or another drawing tool.

In Fig. 5, I have shown a sectional head for use without a ring. This construction is substantially that shown in the other figures, the ring being omitted. lVith this con struction the glass enters the grooves and hardens sulliciently to sustain the cylinder. As the glass does not adhere to the metal head, the latter can be readily separated and removed from the cylinder.

It is evident that numerous other means A and devices may be resorted to for secur- .ing the two parts of the head together, for

opening the movable section and for locking the same in its closed position, hence I would have it understood that L do not confine ni vself to these details, but consider myself at liberty to make such changes fairly fallposed of two semi-circular sections one of which is rigid with the air pipe and has an opening communicating with the passage through the air pipe, the other section of the bait being hinged to the fixed section, each of said sections having a depending flange provided adjacent its lower edge with an internal shoulder.

2. As a new article of manufacture a glass drawing tool comprising an air pipe adapted for detachable connection with lifting and lowering means and a bait composed of two semi-circular sections, one of said sections having a hub by which'it is rigidly secured to the air pipe and the other section hinged to the rigid section, each section of the bait having a depending flange provided adjacent its lower end with an internal shoulder, and means for locking the two sections of the bait against opening movement.

3. A glass drawing tool .orbait comprising a circular head made in two semi-circular sections, one of which is movable toward and from the other section, the said head having a depending circular flange, and a removable ring seated on said flange.

4. A glass drawing tool or bait compri;

ing a circularhead made in two semi-circular sections one of which is movable with relation to the other SOitlOIl, the said head having a depending flange, and a ring movably seated on and within the flange.

5. A glass drawing tool comprising a circular head composed of two semi-circular sections each having a depending semicircular flange, the said flanges being grooved on their inner faces, ana a continuous C11 cular ring removably seated in said grooves.

6. A glass drawing tool comprising inCll; cular head made in sections, and provided with a depending flange. and a removable ring seated within and on said flange 7. A glass drawing tool comprising a two part circular head, one part having a hub, and the other part hinged to the hub,

a circular flange depending from said head.

a ring removably supported within the flange and means for locking the two parts of the head together. I

in testimony whereof, l have signed this specification in the presence of two subscribing u'ilncsscs.

MACK J. HEALY.

Witnesses:

C. E. Hazicurox, WILLIAM C. Pum'u-z.

Copies of this patent my be obtained for five cents each, by addressing the "Commissioner of Patents.

- Washington, D. C." 

